Math Perplexors: Deductive Logic Puzzles, Level C, Grades 5-6 Fun and educational toys for children all ages Will stimulate your mind and entertain Unique and innovative toys and games Introducing all-new characters, stories and challenges to our best-selling Perplexors Series! Pick up a pencil and sharpen your thinking skills. All-new characters, stories, and challenges. Solve the puzzles using deductive logic and the "cross-out-and-circle" process of elimination. Full-page brainteasers with solutions.